{% extends "base.html" %}

{% block title %}Gestión de Ciclo Lectivo - Edu-Space Admin{% endblock %}

{% block content %}
<div class="container-fluid pt-5 mt-4">
    <!-- Header -->
    <div class="d-flex flex-column flex-md-row justify-content-between align-items-md-center gap-3 mb-4">
        <div>
            <h1 class="h3 fw-bold mb-1">
                <i class="bi bi-calendar-range text-primary me-2"></i>Gestión de Ciclo Lectivo y Períodos Académicos
            </h1>
            <p class="text-muted mb-0 small">
                Administración de cuatrimestres, años académicos, fechas de inicio/fin y selección del ciclo lectivo activo.
            </p>
        </div>
        <div class="d-flex gap-2">
            {% if can_edit %}
            <button type="button" class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#modalAddTerm">
                <i class="bi bi-plus-lg me-1"></i>Nuevo Ciclo Lectivo
            </button>
            {% endif %}
            <a href="/schedule/commissions_view" class="btn btn-outline-secondary">
                <i class="bi bi-diagram-3 me-1"></i>Ver Cursadas
            </a>
        </div>
    </div>

    <!-- Academic Terms Table -->
    <div class="card border-0 shadow-sm">
        <div class="table-responsive">
            <table class="table table-hover align-middle mb-0">
                <thead class="table-light">
                    <tr>
                        <th>Código</th>
                        <th>Nombre del Ciclo Lectivo</th>
                        <th>Año</th>
                        <th>Período / Modalidad</th>
                        <th>Fechas del Período</th>
                        <th>Comisiones</th>
                        <th>Estado Institucional</th>
                        {% if can_edit %}
                        <th class="text-end">Acciones</th>
                        {% endif %}
                    </tr>
                </thead>
                <tbody>
                    {% for term in terms %}
                    {% set t_stat = stats[term.id] or {'commissions_count': 0} %}
                    <tr class="{% if term.is_current %}table-primary-subtle{% endif %}">
                        <td>
                            <span class="badge font-monospace bg-primary-subtle text-primary border fs-6">{{ term.code }}</span>
                        </td>
                        <td>
                            <div class="fw-bold text-body">{{ term.name }}</div>
                            <small class="text-muted">ID: #{{ term.id }}</small>
                        </td>
                        <td>
                            <span class="fw-semibold text-body">{{ term.year }}</span>
                        </td>
                        <td>
                            <span class="badge bg-secondary-subtle text-secondary border">
                                {{ term.period_type }}
                            </span>
                        </td>
                        <td>
                            {% if term.start_date and term.end_date %}
                            <small class="text-body font-monospace">
                                <i class="bi bi-calendar3 me-1 text-primary"></i>{{ term.start_date }} - {{ term.end_date }}
                            </small>
                            {% else %}
                            <small class="text-muted">Sin fechas fijadas</small>
                            {% endif %}
                        </td>
                        <td>
                            <span class="badge bg-info-subtle text-info border">
                                <i class="bi bi-diagram-3 me-1"></i>{{ t_stat.commissions_count }} comisiones
                            </span>
                        </td>
                        <td>
                            {% if term.is_current %}
                            <span class="badge bg-success text-white px-2 py-1 shadow-sm">
                                <i class="bi bi-check-circle-fill me-1"></i>Ciclo Activo Actual
                            </span>
                            {% else %}
                            <span class="badge bg-secondary-subtle text-secondary border">
                                {% if term.is_active %}Habilitado{% else %}Archivado{% endif %}
                            </span>
                            {% endif %}
                        </td>
                        {% if can_edit %}
                        <td class="text-end">
                            <div class="btn-group btn-group-sm">
                                {% if not term.is_current %}
                                <form method="POST" action="/admin/academic_term_set_current" class="d-inline"
                                      onsubmit="return confirm('¿Desea establecer este ciclo lectivo como el Activo para todo el sistema?');">
                                    <input type="hidden" name="id" value="{{ term.id }}">
                                    <button type="submit" class="btn btn-outline-success py-0 px-2" title="Establecer como Ciclo Activo">
                                        <i class="bi bi-check2-circle me-1"></i>Activar
                                    </button>
                                </form>
                                {% endif %}
                                <button type="button" class="btn btn-outline-secondary py-0 px-2" 
                                        data-bs-toggle="modal" data-bs-target="#modalEditTerm{{ term.id }}" 
                                        title="Editar Ciclo Lectivo">
                                    <i class="bi bi-pencil"></i>
                                </button>
                                {% if not term.is_current %}
                                <form method="POST" action="/admin/academic_term_toggle" class="d-inline">
                                    <input type="hidden" name="id" value="{{ term.id }}">
                                    <button type="submit" class="btn btn-outline-warning py-0 px-2" 
                                            title="{% if term.is_active %}Desactivar Ciclo{% else %}Habilitar Ciclo{% endif %}">
                                        <i class="bi {% if term.is_active %}bi-pause{% else %}bi-play{% endif %}"></i>
                                    </button>
                                </form>
                                <button type="button" class="btn btn-outline-danger py-0 px-2"
                                        data-bs-toggle="modal" data-bs-target="#modalDeleteTerm{{ term.id }}"
                                        title="Eliminar Ciclo Lectivo">
                                    <i class="bi bi-trash"></i>
                                </button>
                                {% endif %}
                            </div>
                        </td>
                        {% endif %}
                    </tr>
                    {% else %}
                    <tr>
                        <td colspan="8" class="text-center py-5 text-muted">
                            <i class="bi bi-calendar-range fs-1 d-block mb-2"></i>
                            No se encontraron ciclos lectivos registrados.
                        </td>
                    </tr>
                    {% endfor %}
                </tbody>
            </table>
        </div>
    </div>
</div>

<!-- Modales Editar Ciclo Lectivo (Fuera de la tabla para evitar conflictos de stacking context y cierre prematuro) -->
{% if can_edit %}
{% for term in terms %}
<div class="modal fade text-start" id="modalEditTerm{{ term.id }}" tabindex="-1" aria-labelledby="modalEditTermTitle{{ term.id }}" aria-hidden="true" data-bs-backdrop="static">
    <div class="modal-dialog modal-dialog-centered">
        <div class="modal-content shadow-lg border-0">
            <form method="POST" action="/admin/academic_term_edit/{{ term.id }}">
                <input type="hidden" name="id" value="{{ term.id }}">
                <div class="modal-header border-bottom">
                    <h5 class="modal-title h6 fw-bold" id="modalEditTermTitle{{ term.id }}">
                        <i class="bi bi-pencil-square text-primary me-2"></i>Editar Ciclo Lectivo: {{ term.name }}
                    </h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                </div>
                <div class="modal-body p-4">
                    <div class="row g-2 mb-3">
                        <div class="col-md-5">
                            <label class="form-label small fw-semibold">Código *</label>
                            <input type="text" name="code" class="form-control form-control-sm font-monospace" value="{{ term.code }}" required>
                        </div>
                        <div class="col-md-7">
                            <label class="form-label small fw-semibold">Año Calendario *</label>
                            <input type="number" name="year" class="form-control form-control-sm" value="{{ term.year }}" min="2020" max="2050" required>
                        </div>
                    </div>
                    <div class="mb-3">
                        <label class="form-label small fw-semibold">Nombre Descriptivo *</label>
                        <input type="text" name="name" class="form-control form-control-sm" value="{{ term.name }}" required>
                    </div>
                    <div class="mb-3">
                        <label class="form-label small fw-semibold">Tipo de Período</label>
                        <select name="period_type" class="form-select form-select-sm">
                            <option value="Primer Cuatrimestre" {% if term.period_type == 'Primer Cuatrimestre' %}selected{% endif %}>Primer Cuatrimestre</option>
                            <option value="Segundo Cuatrimestre" {% if term.period_type == 'Segundo Cuatrimestre' %}selected{% endif %}>Segundo Cuatrimestre</option>
                            <option value="Anual" {% if term.period_type == 'Anual' %}selected{% endif %}>Anual</option>
                            <option value="Curso de Verano" {% if term.period_type == 'Curso de Verano' %}selected{% endif %}>Curso de Verano</option>
                        </select>
                    </div>
                    <div class="row g-2 mb-3">
                        <div class="col-md-6">
                            <label class="form-label small fw-semibold">Fecha Inicio</label>
                            <input type="date" name="start_date" class="form-control form-control-sm" value="{{ term.start_date if term.start_date else '' }}">
                        </div>
                        <div class="col-md-6">
                            <label class="form-label small fw-semibold">Fecha Fin</label>
                            <input type="date" name="end_date" class="form-control form-control-sm" value="{{ term.end_date if term.end_date else '' }}">
                        </div>
                    </div>
                    <div class="form-check mb-2">
                        <input class="form-check-input" type="checkbox" name="is_current" id="isCurr{{ term.id }}" {% if term.is_current %}checked{% endif %}>
                        <label class="form-check-label small fw-semibold text-primary" for="isCurr{{ term.id }}">
                            Establecer como Ciclo Lectivo Activo Actual
                        </label>
                    </div>
                    <div class="form-check">
                        <input class="form-check-input" type="checkbox" name="is_active" id="isAct{{ term.id }}" {% if term.is_active %}checked{% endif %}>
                        <label class="form-check-label small" for="isAct{{ term.id }}">Habilitado en el Sistema</label>
                    </div>
                </div>
                <div class="modal-footer border-top">
                    <button type="button" class="btn btn-sm btn-secondary" data-bs-dismiss="modal">Cancelar</button>
                    <button type="submit" class="btn btn-sm btn-primary">Guardar Cambios</button>
                </div>
            </form>
        </div>
    </div>
</div>

{% if not term.is_current %}
<div class="modal fade text-start" id="modalDeleteTerm{{ term.id }}" tabindex="-1" aria-hidden="true">
    <div class="modal-dialog modal-dialog-centered">
        <div class="modal-content border-0 shadow">
            <div class="modal-header bg-danger text-white py-2">
                <h6 class="modal-title fw-bold">
                    <i class="bi bi-exclamation-triangle-fill me-2"></i>Confirmar Eliminación de Ciclo Lectivo
                </h6>
                <button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <div class="modal-body p-4">
                <p class="mb-2">¿Está seguro que desea eliminar el ciclo lectivo <strong>{{ term.name }}</strong> (<code>{{ term.code }}</code>)?</p>
                {% set t_stat_del = stats[term.id] or {'commissions_count': 0} %}
                {% if t_stat_del.commissions_count > 0 %}
                <div class="alert alert-warning small mb-0 mt-3 d-flex align-items-center gap-2">
                    <i class="bi bi-shield-exclamation fs-5"></i>
                    <div>
                        Este ciclo cuenta con <strong>{{ t_stat_del.commissions_count }} comisiones asociadas</strong>. Al confirmar, será <strong>desactivado</strong> para proteger el historial académico de cursadas.
                    </div>
                </div>
                {% else %}
                <div class="alert alert-secondary small mb-0 mt-3">
                    <i class="bi bi-info-circle me-1"></i>No tiene comisiones vinculadas; se eliminará permanentemente de la base de datos.
                </div>
                {% endif %}
            </div>
            <div class="modal-footer py-2 bg-light">
                <button type="button" class="btn btn-sm btn-secondary" data-bs-dismiss="modal">Cancelar</button>
                <form method="POST" action="/admin/academic_term_delete" class="d-inline">
                    <input type="hidden" name="id" value="{{ term.id }}">
                    <button type="submit" class="btn btn-sm btn-danger">
                        <i class="bi bi-trash me-1"></i>Confirmar Eliminación
                    </button>
                </form>
            </div>
        </div>
    </div>
</div>
{% endif %}
{% endfor %}
{% endif %}

<!-- Modal Nuevo Ciclo Lectivo -->
{% if can_edit %}
<div class="modal fade" id="modalAddTerm" tabindex="-1" aria-labelledby="modalAddTermTitle" aria-hidden="true" data-bs-backdrop="static">
    <div class="modal-dialog modal-dialog-centered">
        <div class="modal-content shadow-lg border-0">
            <form method="POST" action="/admin/academic_term_add">
                <div class="modal-header">
                    <h5 class="modal-title h6 fw-bold">
                        <i class="bi bi-calendar-plus text-primary me-2"></i>Nuevo Ciclo Lectivo / Período Académico
                    </h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                </div>
                <div class="modal-body">
                    <div class="row g-2 mb-3">
                        <div class="col-md-5">
                            <label class="form-label small fw-semibold">Código *</label>
                            <input type="text" name="code" class="form-control form-control-sm font-monospace" placeholder="ej. 2027-1" required>
                        </div>
                        <div class="col-md-7">
                            <label class="form-label small fw-semibold">Año Calendario *</label>
                            <input type="number" name="year" class="form-control form-control-sm" value="2026" min="2020" max="2050" required>
                        </div>
                    </div>
                    <div class="mb-3">
                        <label class="form-label small fw-semibold">Nombre Descriptivo *</label>
                        <input type="text" name="name" class="form-control form-control-sm" placeholder="ej. Ciclo Lectivo 2027 - 1º Cuatrimestre" required>
                    </div>
                    <div class="mb-3">
                        <label class="form-label small fw-semibold">Tipo de Período</label>
                        <select name="period_type" class="form-select form-select-sm">
                            <option value="Primer Cuatrimestre">Primer Cuatrimestre</option>
                            <option value="Segundo Cuatrimestre" selected>Segundo Cuatrimestre</option>
                            <option value="Anual">Anual</option>
                            <option value="Curso de Verano">Curso de Verano</option>
                        </select>
                    </div>
                    <div class="row g-2 mb-3">
                        <div class="col-md-6">
                            <label class="form-label small fw-semibold">Fecha Inicio</label>
                            <input type="date" name="start_date" class="form-control form-control-sm">
                        </div>
                        <div class="col-md-6">
                            <label class="form-label small fw-semibold">Fecha Fin</label>
                            <input type="date" name="end_date" class="form-control form-control-sm">
                        </div>
                    </div>
                    <div class="form-check">
                        <input class="form-check-input" type="checkbox" name="is_current" id="addIsCurr">
                        <label class="form-check-label small fw-semibold text-primary" for="addIsCurr">
                            Establecer de inmediato como Ciclo Lectivo Activo Actual
                        </label>
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-sm btn-secondary" data-bs-dismiss="modal">Cancelar</button>
                    <button type="submit" class="btn btn-sm btn-primary">Crear Ciclo Lectivo</button>
                </div>
            </form>
        </div>
    </div>
</div>
{% endif %}
{% endblock %}